/**
 * 
 */
package net.phoenix.repository.query.jql;

/**
 * @author lixf
 *
 */
public class NullAST extends IdentifierAST{

	/**
	 * 
	 */
	private static final long serialVersionUID = -2969685369293001016L;

	@Override
	public String toJQL() {	
		return "NULL";
	}
	@Override
	public void generateSQL(JQL2SQL collector) {
		collector.push("null");
	}
}
